Magery
Theme
Grim Affliction
2B
Instant
Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Prices
EUR Foil
$2.44
EUR Nonfoil
$0.31
TIX Nonfoil
$0.03
USD Foil
$5.13
USD Nonfoil
$0.27